Honda CR500 1985-2001 Phathead cylinder head GASGAS Athena145-22 9cc (100+ octane)
Description
Athena145-22 9cc (100+ octane)
7cc (100+ octane)
TTR250 WR400F YFM250 Bear Tracker YFM350F Wolverine 4x4 YFM350X Warrior YFM400 Big Bear 4x4 YFM400A Kodiak YFM400F Kodiak 4x4 YFM600FW Grizzly 4x4 YFZ350 Banshee YZ125 YZ250 1999
2cc (100+ octane)
Honda CR500 1985-2001 Phathead cylinder head GASGAS Athena145-22 9cc (100+ octane)Honda CR500 Phathead cylinder head kit 1985 2001 This model does not have the compression release Chamber selection: HN50 66. 5cc Stock compression HN51 64. 4cc (95+ octane) HN52 62. 5cc (100+ octane) HN53 60. 8cc (110+ octane) Phathead Kits include a head shell with one combustion chamber, two sets of o rings, cylinder head nuts, copper washers, some stickers for your bike and tool box and installation instructions.. Phathead cylinder heads are made
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